/*
Copyright 2021 The AtomCI Group Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

	http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package labels

// AddLabel returns a map with the given key and value added to the given map.
func AddLabel(labels map[string]string, labelKey, labelValue string) map[string]string {
	if labelKey == "" {
		// Don't need to add a label.
		return labels
	}
	if labels == nil {
		labels = make(map[string]string)
	}
	labels[labelKey] = labelValue
	return labels
}
